Aaron B. Simon, MD

We are UCI Health: A devoted team of nationally regarded physicians and nurses, researchers and clinicians, educators and students united by a single calling to improve the lives of the people in our community and beyond. As the only academic health system in Orange County, our multifaceted organization is dedicated to the discovery of new medical frontiers, to the teaching of future healers and to the delivery of the finest evidence-based care. We are unique in our ability to provide the most compassionate healthcare because were driven by our passion for innovation, grounded in the best medical and scientific knowledge.We are UCI Health: A devoted team of nationally regarded physicians and nurses, researchers and clinicians, educators and students united by a single calling to improve the lives of the people in our community and beyond. As the only academic health system in Orange County, our multifaceted organization is dedicated to the discovery of new medical frontiers, to the teaching of future healers and to the delivery of the finest evidence-based care. We are unique in our ability to provide the most compassionate healthcare because were driven by our passion for innovation, grounded in the best medical and scientific knowledge.

Dr. Quoc-Anh Ho is a board-certified UCI Health radiation oncologist. He earned his medical degree at the UC Davis School of Medicine, followed by a residency in radiation oncology at the University of Arizona College of Medicine in Tucson. Ho, who also speaks Vietnamese, sees patients at the UCI Health Chao Family Comprehensive Cancer Center in Fountain Valley and Orange.

Dr. Erin H. Healy is a UCI Health radiation oncologist. She earned her medical degree at UC Davis School of Medicine in Sacramento, Calif. She next completed an internal medicine internship at Ohio State University Wexner Medical Center in Columbus, Ohio, where she also completed a residency in radiation oncology.